height,weight = eval(input("请输入身高(米)和体重\(公斤)[逗号隔开]:"))
print("身高：{},体重：{}".format(height,weight))
bmi=weight/pow(height,2)
print("BMI：{:.2f}".format(bmi))
if bmi<18.5:
    print("过轻！")
elif bmi>=18.5 and bmi<=25:
    print("正常！")
elif bmi>25 and bmi<28:
    print("过重！")
elif bmi>=28 and bmi<=32:
    print("肥胖！")
elif bmi>32:
    print("严重肥胖！")

